Write the general formula of unsaturated hydrocarbons.

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Solution

These hydrocarbon compounds consist of at least one double or triple bond between carbon-carbon atoms.
The general formula for alkenes is C_nH_{2n .}
The general formula for alkenes is C_nH_2n-2.
Example:
Alkene – Ethene $C H_{2} = C H_{2}$
Alkyne – Ethyne $C H \equiv C H$

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Write the name and general formula of (1) saturated hydrocarbons, (2) unsaturated hydrocarbons and draw the structure of one hydrocarbon of each type.

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Write the general formula of unsaturated hydrocarbons.

These hydrocarbon compounds consist of at least one double or triple bond between carbon-carbon atoms. The general formula for alkenes is CnH2n .The general formula for alkenes is CnH2n-2.Example:Alkene – Ethene CH2=CH2Alkyne – Ethyne CH≡CH

These hydrocarbon compounds consist of at least one double or triple bond between carbon-carbon atoms.
The general formula for alkenes is C_nH_{2n .}
The general formula for alkenes is C_nH_2n-2.
Example:
Alkene – Ethene $C H_{2} = C H_{2}$
Alkyne – Ethyne $C H \equiv C H$